Beam-lock for looms.



O. E. BAILEY.

BEAM LOCK FOR LOOMS.

APPLICATION FILED DEO.9,1912.

Fi q. I.

Patnted NOV. 4, 1913.

Carl EBaileg. 1 v by W Wln, Attgs.

COLUMBI A c.

prurn %TAT% earner HIE.

CARL E. BAILEY, OF MANCHESTER, NEW HAMPSHIRE, ASSIGNOR TO DRAIER COMPANY, OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

BEAM-LOCK FOR LOOMS.

Specification of Letters Patent.

Patented Nov. A, 1913.

To all whom 2'25 may concern Be it known that I, CARL E. BAILEY, a citizen of the United States, and resident of Manchester, county of Hillsboro, State of The lock is so constructed and arranged that it can be rendered inoperative quickly and easily when the beam is to be removed, and said lock can be brought into operative condition as easily and quickly when a new beam has been put in place.

The various novel features of the inven-- tion will be fully described in the subjoined specification and particularly pointed out in the following claims.

Figure 1.is a side elevation of a portion of a loom with one embodiment of my present invention applied thereto, the beam lock being shown in locking position by full lines, and by dotted lines in unlocking position ready to release thebeam; Fig. 2 is a rear elevation of the loom side, one end of the beam and its journal, and the beam-lock, viewing Fig. 1 from the right hand.

The warp-beam B having an attached ring-gear B and a journal B at each end, the loom-side A, the whip-roll W, Fig. 1, over which the sheet of warp passes from the beam, and the offset A at the rear end of each loom-side, are and may be all of usual and well known construction, the E- set providing a of the loonrside. 7

It is customary to provide each offset with an open bearing A at its top, in which one of the beam journals is seated rotatably, and a second deeper and inclined bearing A is usually provided at the angle formed by the top of the ofi'set, for beams of smaller diameter, the latter bearing, while open, being so shaped that the journal is held therein without much trouble from jumping or undue beams are used, however,

jog or shoulder at the end vibration of the beam. When the larger the open bearings A must be employed, and if nothing but the weight-of the beam is depended upon to keep its journals seated the pull of the warp tends to make the beam jump or vibrate improperly, this action tendingto irregular let-ofi and causing rapid wear and injury to the teeth of the ring gear B which latter meshes with the gearing of the let-0E mechanism, not herein shown as it forms no part of my invention.

I have,in accordance with my present invent-ion, provided a simple and effective beam lock for use in keeping the beam journals seated properly in the open bearings A at the top of the offset of each loom-side, and it will be understood that one of the locking devices is used for each of the beam journals, and as the said devices are precisely alike only one of them is shown and will be described.

It is customary to provide a rigid, temporary support for the beam when putting it into place or removing it from the loom, such support comprising a bracket 0 having an open journal-seat C, Fig. l, the bracket being made as a casting with a clamp member C integral therewith, the other clamp member 0 being bolted to the bracket by a bolt 0*, and as shown the two clamp members are caused to embrace tightly the upright flange A of the ofiset A.

In accordance with my invention the beam lock comprises a downhold and a pivotally connected latch, the downhold 1, made as a heavy bar, being slightly arched longi tudinally and recessed on its underside at 2 to embrace loosely the beam journal B the rounded ends 3, 4: of the downhold being shaped to lit in and seat upon the inner bearing A and the seat 0' of the temporary support.

Referring to Fig. 1 the downhold is shown in operative position by full lines, and it will be seen that its flat under face between the end 3 and the journal recess 2 rests squarely upon the top of the offset A, 1

the overhanging part of the bearing A preventing any lifting of the end 3 of said downhold. A locking latch 5, bifurcated at its upper end to present parallel cheeks 6, is pivotally connected at 7 to the downhold between the recess 2 and its outer end 4, the

cheeks embracing the downhold and the temporary support C, said latch terminating in a handle 8 and having at its inner side a transverse shoulder 9 at the lower ends of the cheeks 6, The shoulder 9 is adapted to pass under the clamp portion 0 G of the support when the latch is in looking position, and referring to Fig. 1 it will be seen that at such time the latch depends practically vertically from the pivot 7, and the latter is directly above the co operating faces of the shoulder 9, and the clamp, which thus serves as a fixed keeper for the latch. Any lifting or upward movement of the beam acts through its journals to raise the outer. ends of the downholds 1, but the latter are kept down and in place by their latches 5, the shoulders 9 at such time extending beneath their keepers, so that the beam journals are held positively in the bearings A To unlock the beam the weaver grasps the latch handle 8 and swings the latch 5 upward on its pivot 7 into dotted line position, Fig. 1, and thereby unlocks the downhold, and by a still further upward 'movement of the latch the downhold 1 is swun u into dotted line )osition disengaging it from the journal and withdrawing its end 3 from the bearing A the re cess 2 being made long enough to permit such movement of the downhold. The downhold and latch are now removed bodily and the beam is free to be removed. A reverse operation serves to first position the downhold and then the latch is swung down and its shoulder is brought into locking engagement with the fixed keeper therefor.

"When the beam lock is in its operative posi tion the weight of the latch keeps it in depending position, with its shoulder in en gagement with the keeper, and as any lift of the beam acts with a direct upward pull on the latch there is no necessity for a tight fit or engagement between the latch shoulder and thekeeper. It will also be apparent from aninspection of Fig. 1 that while the downhold is arranged to cooperate at its 'outer end with the usual temporary support for the beam journal the said support is not necessary to the operation of the beam lock, inasmuch as the downhold is positively held at its inner end and rests upon the top of the beam journal between the latch pivot and the positively held inner end.

Various changes or modifications in details of construction and arrangement may be made by those skilled in the art without departing from the spirit and scope of my invention as set forth in the claims hereunto annexed.

Having fully described my invention, what I claim as new and desire to secure by Letters Patent is:

1. In a loom having each of its sides provided with an ofiset having at its top an open bearing for one of the beam journals and a temporary journal-support, a warpbeam, a downhold recessed between its ends to fit over the beam journal and adapted to seat removably at its inner end in a recess on the top of the ofi'setand at its outer end on the temporary support, a fixed keeper.

below the support, and a latch p-ivotally connected with the downhold between its outer end and the journal recess and having a transverse shoulder to extend under the keeper when the latch is depending from the downhold, the cooperation of said shoulder and the keeper acting through the latch to maintain the downhold in looking position.

2. In a loom having each of its sides pro vided with an offset having at it-stop inner.

and outer open bearings adapted. to receive one of the beam journals, a warp-beam, a downhold recessed between its ends to fit over the journal-when seated in theouter bearing, the inner end of the downhold be f ing adapted to enter the inner bearing and sea-t upon the top of the ofiset, a latch pivot" ally connected with the downhold between its outer end and the journal recess and adapted to depend from the downhold when I in looking position, a transverse shoulder on,

the latch, and a fixed keeper on the offset, to be engaged by the shoulder when the latch is in looking position.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

CARL E. BAILEY. Witnesses:

FRANK C. Nn'rcrnn, FRANK B. SMILLIE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, .D. 0. 

